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United States Department of Agriculture

Agricultural Research Service

Image Number D1303-3

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Image Number D1303-3

Soil scientist Dong Wang (left) records soil moisture data with a probe as technician Matt Gonzales (right) and agricultural engineer Jim Gartung record grape canopy cover with a spectral camera. Manually collecting data on the ground is necessary for calibrating satellite imagery.

 

Photo by Stephen Ausmus.


640 pixels wide: (d1303-3.jpg)




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Last Modified: 12/15/2009
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